Finding the Fourth Proportional to 213,614.36, 294,781.98 and 118,117.79
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Solution
The fourth proportional to 213,614.36, 294,781.98 and 118,117.79 is: 162,999.32
Step by Step Solution
- Step 1: Write the proportion equation
213,614.36 : 294,781.98 = 118,117.79 : x - Step 2: Convert to fraction form
213,614.36/294,781.98 = 118,117.79/x - Step 3: Cross multiply
213,614.36x = 294,781.98 × 118,117.79 - Step 4: Simplify right side
213,614.36x = 34,818,994,535.51 - Step 5: Solve for x
x = 34,818,994,535.51/213,614.36 - Step 6: Final answer
x = 162,999.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.